I have a 2003 19 ft Sea Pro weighing ~ 1700 lbs.<br /><br />It has the DF140 with a 3 blade 14 X 21 alum. prop.<br /><br />I finally put the WOT down and I only got 53-5400 rpm. My speed ( dash speedo) was around 44 mph. Plenty fast for my taste, however I'm wondering since the DF140 is aretd...